Granted Patent
Utility
US 5,802,176 · App. 08/620,240
System for controlling access to a function, using a plurality of dynamic encryption variables
Inventor:
Yves Audebert
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Mar 22, 1996
Inventor
Yves Audebert
Assignee (at issue)
Activcard
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.